Unger RO60S - Manual (Page 25)

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Parts overview / function plan
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Preservation
6.1. Switching system off
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Cut off the water supply (2) and wait until the system switches off.
Now cut off the water at the water line and remove the hose.
Remove the system from the power supply.
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Now close the water outlet (9) and pull the hose off the pole.
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Now open both water connections (2) & (9) again in order to depressurise the
line and allow the rest of the water to run out.
6.2. Maintenance and care
If the system is shut down for a prolonged period (7 days), it must be preserved to
prevent contamination of the membrane.
It is recommended to have the system serviced 1x per year by the authorised dealer or
Unger.
6.2.1. Pre-filter
Prior to each start-up, visually check the degree of contamination of the pre-filter (3)
and replace, if necessary.
6.3. Anti-freeze protection
The system must be protected against frost. Minimum ambient temperature 5°C.
CAUTION
Never use any other chemicals, since all agents used must be
tested for membrane compatibility.